The Allen-Bradley 1756-L55M16 is a ControlLogix Logix5555 controller module designed for high-performance industrial automation applications. This processor module features 7.5 MB of integrated memory, providing robust processing capabilities for complex control tasks. The 1756-L55M16 consists of a 1756-L55 base processor unit paired with a 1756-M16 memory board. As part of the ControlLogix platform, it supports a wide range of I/O configurations and high-speed processing, making it suitable for demanding manufacturing and process control environments.
| Product Model | 1756-L55M16 |
| Processor Type | Logix5555 |
| Memory | 7.5 MB |
| Max I/O Capacity | 128,000 |
| Max Analog Inputs | 4,000 |
| Max Analog Outputs | 2,000 |
| Program Scan Time | 0.08 ms |
| Backplane Current (5V DC) | 1.23 A |
| Vibration Rating | 10-500 Hz |
No, the 1756-L55M16 was officially discontinued by the manufacturer in March 2011. It is typically available through surplus or refurbished channels for maintenance of legacy systems.
This unit is a combination of the 1756-L55 base processor module and the 1756-M16 memory expansion board.
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